C R A S H C O U R S E O N L E D T E C H N O L O G Y & X C E L E N E R G Y R E B AT E S

KYLE HEMMI & JACKIE DUCHARME 4-5-16

Xcel Energy- LED prescriptive rebates available LED technology trends How much can I save and why? Where should I start?

AGENDA

2

LED DOWNLIGHT LUMINAIRES

• 25W or less: $35/fixture • 26W to 50W: $50/fixture

• Rebate based on

incandescent lamp wattage and LED total fixture wattage

• Full fixture replacement with

ENERGY STAR-qualified commercial LED hardwired and screw in downlight luminaires

LED DOWNLIGHT RETROFIT K ITS

• $12 Instant Rebate through participating distributors

• ENERGY STAR qualified

• Retrofit kit, not a full fixture

replacement

LED WALL PACK F IXTURES

• 25W or less- $35/fixture • 26W to 60W- $75/fixture • 61W to 150W- $100/fixture • Exterior and Parking Garage

Installations Only • Full fixture replacement required

• LED wall pack fixtures must be used

for building exteriors or inside parking garages and must be attached to a wall.

• DLC QPL Required

LED TROFFER REBATES

REFRIGERATED LED CASE L IGHTING

• Rebate: $100/per door (not per lamp)

• 5- and 6-foot Doors • Cooler or Freezer Cases • Replace fluorescent T12 or T8

systems with LED Case Lighting

• LED tubes do not qualify, must be a full fixture replacement

• DLC QLP Required

LED CANOPY F IXTURES

• 25W to 60W- $135 per fixture • 61W or greater- $175 per fixture • Rebates are based on one-for-one

replacement of HID canopy or soffit fixtures with LED fixtures rated for exterior use.

• Ceiling-mounted luminaires for use

outdoors or in locations open to elements gas station canopies and soffits.

• DLC QPL Required

LED PARKING GARAGE FIXTURE REBATE

Retrofit rebates: • 25W to 60W- $135/fixture • 61W to 83W- $175/fixture • Must be replacing HID • DLC QPL Required • Must be a garage 24/7, not

parking deck

• Wall Mount Occupancy Sensor

– Based on connected watts • Rebates/fixture: $15 - $25

• Ceiling or Fixture Mounted Occupancy Sensor

– Based on connected watts • Rebates/fixture: $30 - $40

• Photocell – $25/fixtures

10

AUTOMATIC CONTROLS

BI -LEVEL STAIRWELL F IXTURES

• $25/fixture rebate • Must include integrated sensors • DLC and ENERGY STAR do not currently have a category, so the QPL

is not a current requirement.

LED & LEC EXIT S IGNS

• Rebate: $25/sign

• Must be replacing

incandescent lighting

• DLC does not currently have a category, so the DLC QPL is not a current requirement.

13

CUSTOMER OWNED LED STREET L IGHTING

CUSTOMER OWNED LED STREET L IGHTING

• DLC QPL Required- Outdoor Listed

• Manufacture fixture wattage ranges do not always fit within Xcel Energy Rebate wattage ranges.

• If fixture is within + or - 10% of the rebate wattage category, the fixture can qualify for prescriptive rebate. If not, it needs to go custom.

14

15

REBATES: EXTERIOR LED AREA LUMINAIRES

EXTERIOR LED AREA LUMINAIRES

• DLC QPL Required- Outdoor

Listed

• Manufacture fixture wattage ranges do not always fit within Xcel Energy Rebate wattage ranges.

• If fixture is within + or - 10% of the rebate wattage category, the fixture can qualify for prescriptive rebate. If not, it needs to go custom.

16

17

LUMINAIRE-LEVEL L IGHTING CONTROLS

Eligible Fixture Efficient Equipment Eligible Baseline/Replacing

Rebate

Effective Date

Troffer Fixture Integral Occupancy Sensor

Lighting Fixture - Manual Switch $20 9/1/2015

Troffer Fixture

Integral Occupancy & Photo Cell Sensor- Both Occ and Photocell must be enabled to qualify for this rebate

Lighting Fixture - Manual Switch $28

9/1/2015

Troffer Fixture Integral Photocell Lighting Fixture - Manual Switch $8 9/1/2015

LED Parking Garage Fixture

Integral Occupancy Sensor

Lighting Fixture - Manual Switch $20

9/1/2015

Refrigerated LED Case Lighting

Integral Occupancy Sensor

Lighting Fixture - Manual Switch $20

9/1/2015

LUMINAIRE-LEVEL L IGHTING CONTROLS

• Must be integral to the Troffer & Parking Garage Fixture from the manufacture

• Refrigerator Case Occupancy sensor can be an add on

• If the fixture has both an occ

sensor and photocell, they must be “activated” to ear the $28 per fixture rebate, otherwise, they earn the per control rebate.

18

LED L INEAR TUBE REBATES

19

HIGH BAY F IXTURES AND RETROFIT K ITS

20

LED DOWLIGHTS AND LED LAMPS

21

L E D T E C H N O L O G Y: C R A S H C O U R S E

LED Trends How much can I save and why? Where should I start?

LED TECHNOLOGY AND TRENDS

23

LED COST AND EFFICACY IMPROVEMENTS

24

$0

$20

$40

$60

0

50

100

150

200

250

Cost

($/k

lm)

Effic

acy

(lm/W

)

Year Efficacy

Cost

LEDs Cost-Effective Across the Board

Energy Savings + Xcel Rebates +

Non-energy benefits =

Source: DOE Solid State Lighting R&D Plan, May 2015 http://energy.gov/sites/prod/files/2015/06/f22/ssl_rd-plan_may2015_0.pdf

EFFICACY: APPLES TO APPLES COMPARISON

Efficacy = Lumens/Watt

25

0

20

40

60

80

100

120

140

160

180

200

220

Effic

acy

(lum

ens/

wat

t)

Good

Better

Best

2018

INSTALLED BASE AND LED POTENTIAL

26

Halogen 184 TWh

27%

Fluorescent 326 TWh

47%

HID* 183 TWh

26%

Annual Lighting Electricity Consumption

Halogen 120 TWh

33%

Fluorescent 130 TWh

35%

HID* 119 TWh

32%

Annual Savings Potential Converted to LED

* HID = High Intensity Discharge mainly Metal Halide & HPS

Source: DOE LED Adoption Report

+ Advanced Lighting Controls

• Incumbent technologies are awful compared to LEDs

• It’s not about light ... It’s about usable light

• More light is not necessarily better

HOW CAN WE SAVE THAT MUCH ENERGY!?

Lumens Delivered Footcandles & Uniformity

Use Updated IES Recommendations

Task Lighting Counts Needs Vary by Application and Task

Account for Age

27

Before – 400MH After– T5HO

AGE AND L IGHT LEVEL RECOMMENDATIONS

Source: School Lighting: K-12 Guide, Project Green Schools, Efficiency Vermont https://www.efficiencyvermont.com/docs/for_my_business/k-12/EVT_SchoolLightingBrochure_FINAL.pdf

< 25 25-65 > 65

28

USABLE L IGHT AND UNIFORMITY

29

GETTING RIGHT L IGHT WHERE YOU NEED IT

LED versus Metal Halide 1/3 the initial lumens 1/3 the wattage Same average maintained footcandles!

30

36,000 lumens 1.0 fc

12,000 lumens 1.0 fc

APPLICATION: L IGHTING CONTROLS

31

WHAT DOES THIS LOOK L IKE FOR L IGHTING?

Office 40 to 70% Savings

Warehouse & Manufacturing

50 to 90% Savings

Garage & Parking Lot

35 to 60% Savings

Source: NBI 2015, https://newbuildings.org/sites/default/files/LLLC_ZNE_TAG.pdf

COMPARING THE SAVINGS OPPORTUNITIES

93% Savings Overall

400W Metal Halide to LED w/ Advanced Lighting Controls

69% Savings Overall

400W Metal Halide to T5HO w/ Occupancy Controls

48% T5HO

21% Occ

31% Remains

49% LED

15% Task Tune

23% Occ

3% Daylight 7% Remains

33

APPLICATION: TROFFER RETROFITS

34

• Existing Technology Savings Potential • Ideal: T12 • Good: Standard T8 or T12 Electronic • Possible: High-Performance T8 or T5

• Efficient Technology Savings Potential

• Best: LED Troffer or Kit with Integrated Controls • Great: LED Troffer or Kit • Good: High-Performance T8 w/ Advanced Optics • Good (but Caution): LED T8 Replacement Lamps

BOTTOM L INE: OFFICE BUILDING TROFFERS*

Bottom Line Best Current Value

Deepest savings Good Option

Evaluate Performance

and safety

Customer Cost of Electricity**

$0.024 per kWh

$0.026 per kWh

$0.029 per kWh

$0.024 per kWh

Project Annual Savings (MWh; %)

27 MWh; 62%

36 MWh; 82%

28 MWh; 64%

25 MWh; 57%

CEE RWT8 LED T8 Lamp LED Troffer or Kit LED Integrated Controls

* Small Office example: Retrofit of 100 four-lamp standard electronic T8 fixtures ** If I do this project it will be like paying how much for that saved electricity over 10 years?

35

L IGHT QUAL ITY: PARABOL IC OR LENSED VERSUS VOLUMETRIC

Which would you prefer?

36

APPLICATION: INTERIOR HIGHBAY RETROFIT

37

• Existing Technology Savings Potential • Ideal: High Pressure Sodium, Metal Halide, or Pulse Start MH HID • Good: T12 Magnetic • Possible: T8 or T5HO

• Efficient Technology Savings Potential

• Best: LED Highbay with Integrated Controls • Great: LED Highbay • Good: High-Performance T8 • Good: T5HO with reduced-wattage lamps

BOTTOM L INE: INTERIOR HIGHBAY*

Bottom Line Good Option in 2016

Big savings; Best w/ Low Occupancy

Very Cost-effective Option

Good Option

Customer Cost of Electricity

$0.028 per kWh $0.026 per kWh

$0.020 per kWh

$0.024 per kWh

Project Savings (MWh; %)

89 MWh; 67%

107 MWh; 80%

86 MWh; 64%

71 MWh; 53%

LED Highbay T5HO Reduced-Wattage Lamps

High-Performance T8

LED Highbay w/ Integrated Controls

* Medium Warehouse example: Retrofit of 80 Metal Halide (400W) Luminaires Seeing more and more in Warehouse (esp. Cold Storage), Retail and Manufacturing

38

HIGH BAY LIGHTING: COMPARING 400W MH WITH LINEAR FLUORESCENT SIDE BY SIDE

6-Lamp High Lumen 32W T8s 400 W Metal Halide

LEDs also a Very Good Option Now

39

APPLICATION: EXTERIOR HID RETROFITS

40

• Existing Technology Savings Potential • Ideal: High Pressure Sodium, Metal Halide or Mercury Vapor HID • Great: Halogen • Possible: CFL or T5HO

• Efficient Technology Savings Potential • Best: LED Luminaire with Integrated Controls • Great: LED Luminaire • Good: LED Retrofit Kit (Caution)

BOTTOM L INE: EXTERIOR HID

Bottom Line Deepest

Savings where Applicable

Great Option if No Controls

Great Option; Can Add Controls

Proceed with Caution

Customer Cost of Electricity $0.022 per kWh $0.020 per kWh $0.017 per kWh $0.015 per kWh

Project Annual Savings (MWh; %)

284 MWh; 78%

250 MWh; 69%

266 MWh; 74%

232 MWh; 59%

LED Retrofit Kit or Lamp**

LED Luminaire: Wallpack**

LED Luminaire: Parking Lot*

* Parking lot example: Retrofit of 200 Metal Halide (400W) Heads

** Wallpack example: Retrofit of 200 Metal Halide (400W) Wallpacks 41

LED Luminaire w/ Controls*

APPLICATION: LAMP AND DOWNLIGHT RETROFITS

42

• Existing Technology Savings Potential • Ideal: Incandescent • Good: Halogen or Halogen IR • Possible: CFL

• Efficient Technology Savings Potential

• Best: LED Trim Kits* • Great: LED Lamps • Not Recommended: CFLs

* LED Downlight or Pendent Luminaires for High Ceilings

BOTTOM L INE: LAMPS AND DOWNLIGHTS*

Bottom Line Best Option where Trim

Desired

Best Option where No Trim

Needed

Inferior Option, in

particular pin-base

Customer Cost of Electricity**

$0.007 per kWh

$0.006 per kWh

$0.021 per kWh

Project Annual Savings (MWh; %)

74 MWh; 82%

74 MWh; 82%

63 MWh; 70%

LED Trim Kit CFLs LED Lamp

* Small Retail : Retrofit of 250 Halogen IR Lamps and Downlights ** If I do this project it will be like paying how much for that saved electricity over 10 years?

43

• Leverage Available Incentives – Wide array of prescriptive offerings

• Enjoy the LED Ride – Take a close look at all available

opportunities • Think through your applications to Maximize

savings, incentives and overall benefits • Look across all applications

CONCLUSIONS

44